Add live streaming functionality for real-time video broadcasts

Integrates a new live streaming page with Video.js player, handling autoplay, playback events, volume changes, fullscreen, and error states. Also includes ad integration for the live stream.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 45a1dcfc-f8a2-475a-a6b9-96fbb841dc27
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/60d372ff-2c10-46c7-b01b-10c3435136b0/45a1dcfc-f8a2-475a-a6b9-96fbb841dc27/CdguB3F

client/src/App.tsx

@@ -9,6 +9,7 @@ import VideoPage from "@/pages/VideoPage";
 import FolxStadlPage from "@/pages/FolxStadlPage";
 import GeschichteLiedPage from "@/pages/GeschichteLiedPage";
 import GipfelstammtischPage from "@/pages/GipfelstammtischPage";
+import LivePage from "@/pages/LivePage";
 import AdminPage from "@/pages/admin";
 import PrivacyPolicy from "@/pages/PrivacyPolicy";
 import TermsOfService from "@/pages/TermsOfService";
@@ -23,6 +24,7 @@ function Router() {
       <Route path="/folx-stadl" component={FolxStadlPage} />
       <Route path="/geschichte-lied" component={GeschichteLiedPage} />
       <Route path="/gipfelstammtisch" component={GipfelstammtischPage} />
+      <Route path="/live" component={LivePage} />
       <Route path="/admin" component={AdminPage} />
       <Route path="/privacy" component={PrivacyPolicy} />
       <Route path="/terms" component={TermsOfService} />